CN1393274A - Technique for casting sand mould and complete tool - Google Patents
Technique for casting sand mould and complete tool Download PDFInfo
- Publication number
- CN1393274A CN1393274A CN02123354A CN02123354A CN1393274A CN 1393274 A CN1393274 A CN 1393274A CN 02123354 A CN02123354 A CN 02123354A CN 02123354 A CN02123354 A CN 02123354A CN 1393274 A CN1393274 A CN 1393274A
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- CN
- China
- Prior art keywords
- resin
- sand
- technology
- tool set
- sand mixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H33/00—Other toys
- A63H33/32—Moulds, shapes, spades, or the like, for playing with sand
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
- B29C67/242—Moulding mineral aggregates bonded with resin, e.g. resin concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Mold Materials And Core Materials (AREA)
Abstract
There is provided a process and kit for casting sand that is safe and efficient for children to use in the home. The process involves the steps of mixing sand with a non-toxic binding resin to form a resin/sand mixture; casting the resin/sand mixture into a preferred form; heating the resin/sand mixture in a microwave oven until a sand casting is set; and, letting the sand casting cool.
Description
Technical field
The present invention relates to a kind of technology and tool set that is used to cast sandbox, relate in particular to and be suitable for the technology and the tool set that can use in the family safely.
Background technology
People just pile up castle with sand on the beach since very early, and to casting and fixedly the interest of sand increasing always.
Early stage in the 1980s, this interest causes and has produced three kinds of fixedly technology of sand.First kind of technology provides a kind of method that sand can be fixed on the two-dimensional direction, and it is sprayed onto sand on the viscose glue then by coating viscose glue on a surface and realizes.Second kind of technology adopts the glass container that has groove and passage that sand is fixed on the three-dimensional.The third technology can become handicraft with the sand castle on the seabeach, and it is by just vaporific viscose glue being sprayed on the sand castle after building up the sand castle, with fixing sand temporarily.Though these technology all provide the fixedly method of sand, there be not a kind of sand for good and all can being fixed on the three-dimensional.
Almost at the same time; the applicant has developed a kind of commercial technology that is used to cast sandbox, in this technology, by mixing with sand with epoxy resin or aromatic resin; mixture with sand and resin injects latex mold or silicon mould then, thereby can obtain permanent husky foundry goods.This technology is useful to the casting sandbox of commercial use.Yet the especially used resin of this technology is unsuitable for or can't be used for nonventilated place safely, or is unsuitable for the use of non-commercial use.
Carried out some in the prior art and attempted, developed and to be used for non-commercial use safely and for the tool set of the casting sandbox of children's use.
Particularly, in U.S. Patent No. 5895304, provide a kind of tool set of making provisional wet husky structure.This tool set comprises mold, pillar, gripper shoe and clip, can be used for the shaping of the wet husky structure of multilayer.
Disclose a kind of games in the U.S. Patent No. 3447256, it is the form that can make the tool set of provisional husky structure and member.By sand and water are mixed into moisture slurry, slurry (by eye drop device etc.) drips to and has very strong capillary layer in (for example coloured sand have very strong capillary layer), removed the moisture in the slurry like this, and make sand on this layer, form ornamental pattern, so just formed husky member.Tool set provides the whole parts that are used to make husky member, comprises the separate space that is used for fixing matrix material, the sand that is used to make slurry, and mixes and assigned unit.This tool set has also been considered the recycling of sand.
Disclose a kind of device that is used for the sand moulding in the U.S. Patent No. 2451711, comprised Sand Bucket, the husky shovel that has husky sieve and be positioned at inner sand mould.In order to cast sand, at first sand is placed in the bucket, then mould and husky sieve are placed bucket, make this set can promote to screen and carry out moulding in the mould with suitable shape by the upset Sand Bucket and with sand.
Yet, do not have a kind of sand for good and all can being fixed on the three-dimensional in these tool sets.
Therefore have a kind of demand, a kind of technology that casting sand type for good and all can be fixed on the three-dimensional promptly is provided, this technology can be by old man and children's safety and use easily at home.
Summary of the invention
Technology that is used to cast sandbox provided by the invention and tool set are sand for good and all to be fixed on safety on the three-dimensional and easy device.
According to an aspect of the present invention, provide a kind of technology that is used to cast sandbox, described technology comprises step: sand and nontoxic binder resin are mixed, form resin/sand mixture; Resin/sand mixture is cast preferred shape; In micro-wave oven, heat resin/sand mixture, till husky foundry goods moulding; And cool off husky foundry goods.
In one embodiment of the invention, but adopt the mould (microwavablemold) of heating using microwave that resin/sand mixture is cast preferred shape.
In another embodiment of the present invention, this technology also is included in the step of carving resin/sand mixture and modify husky foundry goods after cooling before the heating.
According to a further aspect in the invention, provide a kind of tool set that is used to make husky foundry goods.Described tool set comprises: sand; Nontoxic binder resin; But mould with heating using microwave.
In another embodiment of the present invention, this tool set comprises engraving tool and dresser.
Technology and the tool set that is used to cast sandbox of the present invention has many advantages.Especially, the present invention adopts the no toxiresin that can heat safely in conventional microwave oven, thereby can use this technology and tool set in the family and by children's safety ground.Used resin also is a binder resin.Therefore a kind of sand mixture can be formed, when heating, the three-dimensional husky structure that is permanently fixed can be formed.This technology also is included in the step that heats husky foundry goods in the micro-wave oven and make its moulding.Use micro-wave oven that additional advantage also is provided, can guarantee fully and dry husky foundry goods equably, and obtain firm and non-friable husky foundry goods.
By reading in the following introduction of the present invention and in conjunction with the accompanying drawings, those skilled in the art will know various other advantages.
Description of drawings
Exemplarily shown the preferred embodiments of the present invention in the drawings, wherein,
Fig. 1 is the schematic diagram that is used to cast the technology of sandbox.
Fig. 2 is the perspective view of preferred embodiment that is used to cast the tool set of sandbox.
The specific embodiment
With reference to flow chart shown in Figure 1, the technology that is used to cast sandbox comprises the steps: sand and nontoxic binder resin are mixed, and forms resin/sand mixture; Resin/sand mixture is cast preferred shape; In micro-wave oven, heat resin/sand mixture, till husky foundry goods moulding; And cool off husky foundry goods.
Therefore, the first that is used to cast the technology of sandbox comprises mixes sand and nontoxic binder resin, forms resin/sand mixture.
Resin can be any safe no toxiresin, its can be under the condition of heating using microwave bonding and fixing sand.Resin preferably includes polyvinyl acetate, and it can not discharge noxious odor under the condition of heating using microwave, and its adhesive power improves when heating.A kind of this polyvinyl acetate is the omnipotent viscose glue of ELMER ' S that Elmer ' s Product company sells.
In a preferred embodiment, resin and sand mix with certain proportion, and mixed proportion is preferably 1: 5 in about 1: 4 to 1: 6 scope, thereby form resin/sand mixture.The ratio of resin and sand increases to above 1: 4 and can make resin/sand mixture be difficult to engraving.The ratio of resin and sand drops to less than 1: 6 can make resin/sand mixture insecure, and moulding well after heating.Therefore, preferred 1: 5 ratio is to guarantee enough durability and engraving property.
For fear of aggegation and distortion, resin/sand mixture should mix before heating fully.Particularly, resin/sand mixture should fully mix, and has uniform density up to mixture.
In case prepare resin/sand mixture, just it cast required shape.In a preferred embodiment, but resin/sand mixture placed the mould that is suitable for the heating using microwave used at micro-wave oven.Very clear for a person skilled in the art, can adopt Any shape and big or small mould, but as long as this mould is to be made by the material of heating using microwave.The shape of mould and size are selected according to the shape and the size of required husky foundry goods.In one example, the mixture of the sand of 30 milliliters resin and 135 milliliters can be made 4 inches * 2 inches * 0.5 inch husky foundry goods.
In micro-wave oven, heat husky foundry goods then, so that husky foundry goods for good and all is fixed into its required shape.In a preferred embodiment, resin/sand mixture places common household microwave oven to heat under the fiery state of height about 2 to 5 minutes, perhaps is heated to till the husky foundry goods moulding.Resin/sand mixture is preferably under the high fiery state and heated 3 minutes.Yet for a person skilled in the art clearly, be the function of the size of microwave power and husky foundry goods best heat time heating time.
After the heating of having finished in micro-wave oven, husky foundry goods is taken out from micro-wave oven, and allow its cooling.Preferably allow husky foundry goods cooling at least 1 minute, or till being cooled to arrest husky foundry goods with hand.
After cooling, can modify husky foundry goods by tinting or holing.If prepare to hole, the ratio of resin and sand should be reduced to about 1: 4 so.
Before heating steps, can carve husky foundry goods by cutting element being put into resin/sand mixture.For some given shapes, the cookie former can be put into the resin/sand mixture of heating using microwave in advance, and before heating, former be taken out, in resin/sand mixture, formed the profile of required form like this.
After in micro-wave oven, heating, from mould, take out husky foundry goods, and adopt traditional engraving tool easily to remove unnecessary sand.
For the husky foundry goods of engraving before heating, must so that strengthen the intensity of the resin/sand mixture around the cutting part, and avoid sand when cutting, to move earlier with mallet or analog hybrid resin/sand mixture.Engraving tool should keep moistening when engraving, accumulate in any residual resin/sand mixture on the engraving tool so that remove.Can use the engraving tool of any kind.Engraving tool is advantageously selected to and can carries out clean cutting to husky foundry goods, and keeps moistening in use easily.
In order on husky foundry goods, to form glossiness finish surface, can on husky foundry goods, apply bright glue before heating or after the heating.The example that generally is used for the bright glue of this purpose comprises Crayola light glue, and it uses with wieldy rationing applicator.
Adopt technology of the present invention can obtain very exquisite husky foundry goods.In order to prepare more complicated and exquisiter husky foundry goods, but can adopt the vacuum mold of the heating using microwave of multi-cavity.In some cases, but when the vacuum mold of the heating using microwave of using multi-cavity, may need extra heating or molding time.Therefore this mould is preferably made by heat resistant plastice, and has enough durability, to bear owing to this extra any fire damage that brought heat time heating time.
But the vacuum mold of heating using microwave that adopts multi-cavity also need be spent the other time in model that resin/sand mixture is packed into the time, has all filled resin/sand mixture with the All Ranges that guarantees mould.Therefore need to adopt talcum powder, guarantee after heating, can intactly husky foundry goods be taken off from the whole zone of mould.
Though yet the important point is should adopt the higher resin of concentration to adopt the rarer resin/sand mixture of concentration more easily mixture to be injected complicated multi-cavity mold so that have best moulding.Yet should often not adopt this dilution, this is because the ratio that is diluted to resin and water is can make husky foundry goods need fix long heat time heating time at 1: 1 o'clock, but the mould that has therefore produced heating using microwave is pined for the danger that may melt, damage or break in micro-wave oven in adding of long period.
Can be clear, resin/sand mixture can be cast and not depart from the scope of the present invention by several modes.But adopted the mould of heating using microwave in a preferred embodiment.Yet in another embodiment, can adopt the adjustable retainer that rolls pin and substitute that is positioned on the platform, thus floating and press-resin/sand mixture, before heating, to carve.
The parts that this technology is used are arranged in the tool set, can more easily cast the technology of sandbox.As shown in Figure 2, but the preferred embodiment of tool set 1 comprises the mould 15 of container 10 heating using microwaves of one bag of sand 5, non-toxic adhesive resin, and the explanation that is used to prepare husky foundry goods.As selection, tool set can also comprise engraving tool such as cookie former 25, graver 30, dresser such as coating 35, paint brush 40, and bright glue 45.
In explanation, can provide about the sand that will mix and the suitable mixing consumption of resin, the length of incorporation time, the suitable time and the information of duration and cool time of heating using microwave.As selection, these explanations also can comprise about how carving, brushing and modify the information of husky foundry goods.
But second embodiment of tool set comprises platform and the adjustable retainer that rolls pin heating using microwave, but and does not use the mould of heating using microwave.
For a person skilled in the art clearly, can carry out many other variation and modifications to the present invention, these modifications should be regarded as being included in the present invention.All this variations and modification all belong in the scope of claims.
Claims (22)
1. technology that is used to cast sandbox, described technology comprises step:
(a) sand and nontoxic binder resin are mixed, form resin/sand mixture;
(b) described resin/sand mixture is cast preferred shape;
(c) heating described resin/sand mixture in micro-wave oven is till described husky foundry goods moulding; With
(d) the described husky foundry goods of cooling.
2. technology according to claim 1 is characterized in that, described nontoxic binder resin comprises polyvinyl acetate.
3. technology according to claim 2 is characterized in that, but the step of described foundry resin/sand mixture comprises described resin/sand mixture is placed the mould of heating using microwave.
4. technology according to claim 2 is characterized in that, described resin/sand mixture was heated about 2 to 5 minutes.
5. technology according to claim 2 is characterized in that, described resin/sand mixture was heated about 3 minutes.
6. technology according to claim 2 is characterized in that, in step (a), the mixed proportion of described resin and sand is in about 1: 4 to 1: 6 scope.
7. technology according to claim 6 is characterized in that described mixed proportion is about 1: 5.
8. technology according to claim 2 is characterized in that, described technology is included in the step of carving described resin/sand mixture before the heating.
9. technology according to claim 2 is characterized in that, described technology is included in the step that described resin/sand mixture is modified in the cooling back.
10. technology according to claim 2 is characterized in that, described step (b) comprises that employing is positioned at the pin that rolls on the platform.
11. technology according to claim 2 is characterized in that, but but the mould of described heating using microwave is the vacuum mold of the heating using microwave of multi-cavity.
12. technology according to claim 11 is characterized in that, described non-toxic adhesive resin water dilutes with about 1: 1 ratio.
13. a tool set that is used to make husky foundry goods comprises sand; The non-toxic adhesive resin; But mould with heating using microwave.
14. a tool set that is used to make husky foundry goods comprises sand; The non-toxic adhesive resin; Roll pin; But the platform of heating using microwave; With adjustable retainer.
15. tool set according to claim 13 is characterized in that, described nontoxic binder resin comprises polyvinyl acetate.
16. tool set according to claim 14 is characterized in that, described nontoxic binder resin comprises polyvinyl acetate.
17. tool set according to claim 13 is characterized in that, described tool set comprises engraving tool.
18. tool set according to claim 14 is characterized in that, described tool set comprises engraving tool.
19. tool set according to claim 13 is characterized in that, described tool set comprises dresser.
20. tool set according to claim 14 is characterized in that, described tool set comprises dresser.
21. the described tool set of claim 13 that uses in the technology of casting sandbox, described technology comprises step:
(a) sand and nontoxic binder resin are mixed, form resin/sand mixture;
(b) but adopt the mould of heating using microwave that described resin/sand mixture is cast preferred shape;
(c) heat described resin/sand mixture, till described husky foundry goods moulding; With
(d) the described husky foundry goods of cooling.
22. the described tool set of claim 14 that uses in the technology of casting sandbox, described technology comprises step:
(a) sand and nontoxic binder resin are mixed, form resin/sand mixture;
(b) but adopt platform and the adjustable retainer roll pin heating using microwave that described resin/sand mixture is cast preferred shape;
(c) heat described resin/sand mixture, till described husky foundry goods moulding; With
(d) the described husky foundry goods of cooling.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/881031 | 2001-06-15 | ||
| US09/881,031 US20020190438A1 (en) | 2001-06-15 | 2001-06-15 | Process and kit for casting sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1393274A true CN1393274A (en) | 2003-01-29 |
Family
ID=25377643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02123354A Pending CN1393274A (en) | 2001-06-15 | 2002-06-14 | Technique for casting sand mould and complete tool |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20020190438A1 (en) |
| CN (1) | CN1393274A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005037390A1 (en) * | 2003-10-22 | 2005-04-28 | Lee Hing Plastic Manufactory Limited | Sand moulding device |
| WO2016011593A1 (en) * | 2014-07-22 | 2016-01-28 | 陈信雄 | Toy simulation sand and preparation method therefor |
| CN108327450A (en) * | 2018-03-21 | 2018-07-27 | 沙和尚沙文化(大连)有限公司 | A kind of production method that stereo sand is drawn |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130291482A1 (en) * | 2010-11-02 | 2013-11-07 | Tis & Partners Co., Ltd. | Modular columns for construction purposes and method for the production thereof |
| CN104985679B (en) * | 2015-06-11 | 2018-01-26 | 中国科学院电子学研究所 | Be heating and curing the device and method of artificial stone using microwave |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2454221C2 (en) * | 1974-11-15 | 1985-03-21 | Bayer Ag, 5090 Leverkusen | New reinforced plastics and methods of making them |
| US5703144A (en) * | 1994-08-16 | 1997-12-30 | Qo Chemicals, Inc. | Solid furan binders for composite articles |
-
2001
- 2001-06-15 US US09/881,031 patent/US20020190438A1/en not_active Abandoned
-
2002
- 2002-06-14 CN CN02123354A patent/CN1393274A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005037390A1 (en) * | 2003-10-22 | 2005-04-28 | Lee Hing Plastic Manufactory Limited | Sand moulding device |
| WO2016011593A1 (en) * | 2014-07-22 | 2016-01-28 | 陈信雄 | Toy simulation sand and preparation method therefor |
| CN108327450A (en) * | 2018-03-21 | 2018-07-27 | 沙和尚沙文化(大连)有限公司 | A kind of production method that stereo sand is drawn |
Also Published As
| Publication number | Publication date |
|---|---|
| US20020190438A1 (en) | 2002-12-19 |
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